1991 Alfa Romeo SZ vs. 2013 Mercedes-Benz GL
To start off, 2013 Mercedes-Benz GL is newer by 22 year(s). Which means there will be less support and parts availability for 1991 Alfa Romeo SZ. In addition, the cost of maintenance, including insurance, on 1991 Alfa Romeo SZ would be higher. At 3,000 cc (6 cylinders), 2013 Mercedes-Benz GL is equipped with a bigger engine. In terms of performance, 2013 Mercedes-Benz GL (237 HP @ 3600 RPM) has 29 more horse power than 1991 Alfa Romeo SZ. (208 HP @ 6200 RPM) In normal driving conditions, 2013 Mercedes-Benz GL should accelerate faster than 1991 Alfa Romeo SZ. With that said, vehicle weight also plays an important factor in acceleration. 2013 Mercedes-Benz GL weights approximately 1195 kg more than 1991 Alfa Romeo SZ. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2013 Mercedes-Benz GL is four wheel drive (4WD), it will have significant more traction and grip than 1991 Alfa Romeo SZ. In wet, icy, snow, or gravel driving conditions, 2013 Mercedes-Benz GL will offer significantly more control. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2013 Mercedes-Benz GL (617 Nm) has 372 more torque (in Nm) than 1991 Alfa Romeo SZ. (245 Nm). This means 2013 Mercedes-Benz GL will have an easier job in driving up hills or pulling heavy equipment than 1991 Alfa Romeo SZ.
Compare all specifications:
| 1991 Alfa Romeo SZ | 2013 Mercedes-Benz GL | |
| Make | Alfa Romeo | Mercedes-Benz |
| Model | SZ | GL |
| Year Released | 1991 | 2013 |
| Engine Position | Front | Front |
| Engine Size | 2959 cc | 3000 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | electric |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 208 HP | 237 HP |
| Engine RPM | 6200 RPM | 3600 RPM |
| Torque | 245 Nm | 617 Nm |
| Engine Bore Size | 93 mm | 83 mm |
| Engine Stroke Size | 72.6 mm | 92 mm |
| Engine Compression Ratio | 10.0:1 | 15.5:1 |
| Fuel Type | Gasoline | Diesel |
| Top Speed | 233 km/hour | 210 km/hour |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | 6-speed manual |
| Number of Seats | 2 seats | 7 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1260 kg | 2455 kg |
| Vehicle Length | 4670 mm | 5120 mm |
| Vehicle Width | 1740 mm | 2141 mm |
| Vehicle Height | 1320 mm | 1850 mm |
| Wheelbase Size | 2520 mm | 3075 mm |
